While focusing on FATCA, this Forbes article also touches on the banking secrecy and its fading especially at Swiss banks. It requires foreign banks to reveal Us-related accounts holding over $50k. The world has agreed to the application of FATCA, even Russia and China, and names are being revealed to the IRS.
In Canada a lawsuit has been filed against the Canadian Attorney General challenging the constitutionality of Canada’s FATCA agreement with the US. This suit intends to block FATCA and prohibit the handover of US-related names to the IRS. However, for now, Canada has signed the FATCA agreement and the IRS will get the data.
In this era of transparency, the UK and Brussels discuss the topic of company ownership transparency according to this article.